A048747 - cp's OEIS frontend

A048747 Factor composite n, divide sum of divisors by number of divisors; append n to sequence if quotient is integral and not previously seen.

n	a(n)
1	6
2	14
3	20
4	21
5	22
6	27
7	33
8	38
9	39
10	45
11	46
12	49
13	57
14	62
15	65
16	85
17	86
18	87
19	91
20	93
21	94
22	99
23	111
24	116
25	118
26	123
27	125
28	129
29	133
30	134
31	141
32	142
33	150
34	158
35	164
36	166
37	169
38	183
39	185
40	188
41	201
42	206
43	207
44	213
45	214
46	215
47	217
48	219
49	236
50	237
51	249
52	254
53	259
54	261
55	262
56	267
57	278

[6, 14, 20, 21, 22, 27, 33, 38, 39, 45, 46, 49, 57, 62, 65, 85, 86, 87, 91, 93, 94, 99, 111, 116, 118, 123, 125, 129, 133, 134, 141, 142, 150, 158, 164, 166, 169, 183, 185, 188, 201, 206, 207, 213, 214, 215, 217, 219, 236, 237, 249, 254, 259, 261, 262, 267, 278]

cp's OEIS Frontend

A048747 Factor composite n, divide sum of divisors by number of divisors; append n to sequence if quotient is integral and not previously seen.

Table of values

List of values

n	a(n)
1	6
2	14
3	20
4	21
5	22
6	27
7	33
8	38
9	39
10	45
11	46
12	49
13	57
14	62
15	65
16	85
17	86
18	87
19	91
20	93
21	94
22	99
23	111
24	116
25	118
26	123
27	125
28	129
29	133
30	134
31	141
32	142
33	150
34	158
35	164
36	166
37	169
38	183
39	185
40	188
41	201
42	206
43	207
44	213
45	214
46	215
47	217
48	219
49	236
50	237
51	249
52	254
53	259
54	261
55	262
56	267
57	278

n	a(n)
1	6
2	14
3	20
4	21
5	22
6	27
7	33
8	38
9	39
10	45
11	46
12	49
13	57
14	62
15	65
16	85
17	86
18	87
19	91
20	93
21	94
22	99
23	111
24	116
25	118
26	123
27	125
28	129
29	133
30	134
31	141
32	142
33	150
34	158
35	164
36	166
37	169
38	183
39	185
40	188
41	201
42	206
43	207
44	213
45	214
46	215
47	217
48	219
49	236
50	237
51	249
52	254
53	259
54	261
55	262
56	267
57	278

n	a(n)
1	6
2	14
3	20
4	21
5	22
6	27
7	33
8	38
9	39
10	45
11	46
12	49
13	57
14	62
15	65
16	85
17	86
18	87
19	91
20	93
21	94
22	99
23	111
24	116
25	118
26	123
27	125
28	129
29	133
30	134
31	141
32	142
33	150
34	158
35	164
36	166
37	169
38	183
39	185
40	188
41	201
42	206
43	207
44	213
45	214
46	215
47	217
48	219
49	236
50	237
51	249
52	254
53	259
54	261
55	262
56	267
57	278